Problems to be aware of with saturated colors
So what do saturation problems look like? They come on subtly, and they’re easy to overlook if you don’t know what you’re looking for.
The JPEG file format uses mathematical compression techniques whereby the image is split into small squares that are analysed individually. If you increase the saturation, this pattern of squares can become visible.
You may also see an increase in noise, particularly in areas of solid color. This can appear as random speckling or irregular patches of stronger color.
Because of the way digital cameras calculate color values and sharpen fine detail, object edges often have a fine ‘halo’ around them.
This is normally not too obtrusive, but big saturation increases can emphasise any trace of color they possess, generating rather obvious colored outlines.
Other problems include ‘clipping’, where image detail is lost and objects degenerate into blobs of solid, featureless color, and color distortions, where some colors undergo disproportionate color increases or color shifts.
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